/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/Properties/RemeshProperties.h
Material Boundary Constraint Types
enum EMaterialBoundaryConstraint { Fixed = (uint8)EEdgeRefineFlags::FullyConstrained, Refine = (uint8)EEdgeRefineFlags::SplitsOnly, Free = (uint8)EEdgeRefineFlags::NoFlip, Ignore = (uint8)EEdgeRefineFlags::NoConstraint, }